<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right" style="font-size: 16px;">
            <el-breadcrumb-item :to="{ path: '/' }">
                <i class="el-icon-s-promotion"></i> 后台管理
            </el-breadcrumb-item>
            <el-breadcrumb-item>相册管理</el-breadcrumb-item>
        </el-breadcrumb>
        <el-divider></el-divider>

        <div style="margin-bottom: 20px;">
            <el-button type="primary" size="medium"
                       @click="$router.push('/sys-admin/product/album/add-new')">添加相册
            </el-button>
        </div>

        <el-table :data="tableData" border style="width: 100%">
            <el-table-column prop="id" label="ID" width="60" align="center"></el-table-column>
            <el-table-column prop="name" label="名称" width="180" header-align="center"
                             show-overflow-tooltip></el-table-column>
            <el-table-column prop="description" label="简介" header-align="center"
                             show-overflow-tooltip></el-table-column>
            <el-table-column prop="sort" label="排序序号" width="100" align="center"></el-table-column>
            <el-table-column label="查看图片" width="100" align="center">
                <el-button size="mini">查看</el-button>
            </el-table-column>
            <el-table-column label="操作" width="100" align="center">
                <template slot-scope="scope">
                    <el-button type="primary" size="mini" icon="el-icon-edit" circle
                               @click="openEditDialog(scope.row)"></el-button>
                    <el-button type="danger" size="mini" icon="el-icon-delete" circle
                               @click="openDeleteConfirm(scope.row)"></el-button>
                </template>
            </el-table-column>
        </el-table>

        <div style="text-align: right; margin: 10px auto;">
            <el-pagination
                    @current-change="changePage"
                    layout="total, prev, pager, next"
                    :total="total"
                    :current-page="currentPage"
                    :page-size="pageSize">
            </el-pagination>
        </div>

        <el-dialog title="修改相册"
                   :visible.sync="dialogFormVisible">
            <el-form :model="editForm" :rules="rules" ref="ruleForm" label-width="100px">
                <el-form-item label="名称" prop="name">
                    <el-input v-model="editForm.name" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="简介" prop="description">
                    <el-input v-model="editForm.description" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="排序序号" prop="sort">
                    <el-input v-model="editForm.sort" autocomplete="off"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="submitEditForm">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                tableData: [],
                total: 0,
                pageSize: 0,
                currentPage: 1,
                dialogFormVisible: false,
                editForm: {
                    id: '',
                    name: '',
                    description: '',
                    sort: ''
                },
                rules: {
                    name: [
                        {required: true, message: '请输入名称', trigger: 'blur'},
                        {min: 2, max: 25, message: '长度在 2 到 25 个字符', trigger: 'blur'}
                    ],
                    description: [
                        {required: true, message: '请输入简介', trigger: 'blur'}
                    ],
                    sort: [
                        {required: true, message: '请输入排序序号', trigger: 'blur'},
                        {pattern: /^(\d{1}|[1-9]{1}[0-9]?)$/, message: '排序序号必须是 0~99 之间的数字', trigger: 'blur'}
                    ]
                }
            }
        },
        methods: {
            openEditDialog(album) {
                let url = 'http://localhost:9180/album/standard?id=' + album.id;
                console.log('url = ' + url);

                this.axios.get(url).then((response) => {
                    let jsonResult = response.data;
                    if (jsonResult.state == 20000) {
                        this.editForm = jsonResult.data;
                        this.dialogFormVisible = true;
                    } else {
                        this.$alert(jsonResult.message, '错误', {
                            confirmButtonText: '确定',
                            callback: action => {
                                this.loadAlbumList();
                            }
                        });
                    }
                });
            }
            ,
            submitEditForm() {
                let url = 'http://localhost:9180/album/update';
                console.log('url = ' + url);

                let formData = this.qs.stringify(this.editForm);
                console.log('formData = ' + formData);

                this.axios.post(url, formData).then((response) => {
                    let jsonResult = response.data;
                    if (jsonResult.state == 20000) {
                        this.$message({
                            message: '修改相册成功！',
                            type: 'success'
                        });
                        this.dialogFormVisible = false;
                        this.loadAlbumList();
                    } else if (jsonResult.state == 40400){
                        this.$alert(jsonResult.message, '错误', {
                            confirmButtonText: '确定',
                            callback: action => {
                                this.dialogFormVisible = false;
                                this.loadAlbumList();
                            }
                        });
                    } else {
                        this.$alert(jsonResult.message, '错误', {
                            confirmButtonText: '确定',
                            callback: action => {
                            }
                        });
                    }
                });
            },
            openDeleteConfirm(album) {
                this.$confirm('此操作将永久删除【' + album.id + '-' + album.name + '】相册，是否继续？', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).then(() => {
                    this.handleDelete(album);
                }).catch(() => {
                });
            },
            handleDelete(album) {
                let url = 'http://localhost:9180/album/' + album.id + '/delete';
                console.log('url = ' + url);


                this.axios.post(url).then((response) => {
                    let jsonResult = response.data;
                    if (jsonResult.state == 20000) {
                        this.$message({
                            message: '删除相册成功!',
                            type: 'success'
                        });
                        this.loadAlbumList();
                    } else if (jsonResult.state == 40400) {
                        this.$alert(jsonResult.message, '错误', {
                            confirmButtonText: '确定',
                            callback: action => {
                                this.loadAlbumList();
                            }
                        });
                    } else if (jsonResult.state == 40900) {
                        this.$alert(jsonResult.message, '错误', {
                            confirmButtonText: '确定',
                            callback: action => {
                            }
                        });
                    }
                });
            },
            changePage(value) {
                console.log('changePage >>> ' + value)
                this.$router.replace('?page=' + value);
                this.loadAlbumList();
            },
            loadAlbumList() {
                let page = this.$router.currentRoute.query.page;
                if (!page) {
                    page = 1;
                }
                let url = 'http://localhost:9180/album/list?page=' + page;
                console.log('url=' + url);

                this.axios.get(url).then((response) => {
                    let jsonResult = response.data;
                    if (jsonResult.state == 20000) {
                        this.tableData = jsonResult.data.list;
                        this.total = jsonResult.data.total;
                        this.pageSize = jsonResult.data.pageSize;
                        this.currentPage = jsonResult.data.currentPage;
                    } else {
                        this.$alert(jsonResult.message, '错误', {
                            confirmButtonText: '确定',
                            callback: action => {
                            }
                        });
                    }
                });
            }
        },
        mounted() {
            this.loadAlbumList();
        }
    }
</script>